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Heavy Rain and Potential for Flash Flooding

Strong to severe thunderstorms are forecast to develop along a frontal system stretching from portions of the Mississippi Valley into the Ohio Valley. These storms may produce heavy rain and flash flooding. The threat shifts east on Friday. Moonsoon moisture will continue to produce heavy rain with the possibility of localized flash flooding in the Four Corners area. Read More >

Current conditions at

McKinney - McKinney National Airport (KTKI)

Lat: 33.18°NLon: 96.59°WElev: 584ft.

Fair

95°F

35°C

Humidity 46%
Wind Speed S 13 mph
Barometer 29.88 in (1011.1 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index103°F (39°C)
Last update 27 Jul 6:53 pm CDT
Extended Forecast for

Mc Kinney TX

Heat Advisory until July 28, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until July 28, 08:00pm

    NOW until
    8:00pm Fri

    Heat Advisory

  • Tonight

    Tonight: Partly cloudy, with a low around 78. South wind around 10 mph.

    Partly Cloudy

    Low: 78 °F

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 2pm.  Partly sunny and hot, with a high near 99. Heat index values as high as 105. South southwest wind 5 to 10 mph becoming west northwest in the afternoon.

    Partly Sunny
    then Slight
    Chance
    T-storms

    High: 99 °F

  • Friday
    Night

    Friday Night: A 30 percent chance of showers and thunderstorms, mainly after 8pm.  Mostly cloudy, with a low around 77. North northeast wind around 5 mph.

    Chance
    T-storms

    Low: 77 °F

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms, mainly before 8am.  Partly sunny, with a high near 94. Heat index values as high as 100. Northeast wind 5 to 10 mph.

    Chance
    T-storms

    High: 94 °F

  • Saturday
    Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before 8pm.  Partly cloudy, with a low around 73. East wind 5 to 10 mph.

    Slight Chance
    T-storms then
    Partly Cloudy

    Low: 73 °F

  • Sunday

    Sunday: Mostly sunny, with a high near 92. East wind 5 to 10 mph.

    Mostly Sunny

    High: 92 °F

  • Sunday
    Night

    Sunday Night: Partly cloudy, with a low around 70. East wind 5 to 10 mph.

    Partly Cloudy

    Low: 70 °F

  • Monday

    Monday: Mostly sunny, with a high near 90. East northeast wind around 5 mph.

    Mostly Sunny

    High: 90 °F

Detailed Forecast

Tonight
Partly cloudy, with a low around 78. South wind around 10 mph.
Friday
A 20 percent chance of showers and thunderstorms after 2pm. Partly sunny and hot, with a high near 99. Heat index values as high as 105. South southwest wind 5 to 10 mph becoming west northwest in the afternoon.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly after 8pm. Mostly cloudy, with a low around 77. North northeast wind around 5 mph.
Saturday
A 30 percent chance of showers and thunderstorms, mainly before 8am. Partly sunny, with a high near 94. Heat index values as high as 100. Northeast wind 5 to 10 mph.
Saturday Night
A 20 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 73. East wind 5 to 10 mph.
Sunday
Mostly sunny, with a high near 92. East wind 5 to 10 mph.
Sunday Night
Partly cloudy, with a low around 70. East wind 5 to 10 mph.
Monday
Mostly sunny, with a high near 90. East northeast wind around 5 mph.
Monday Night
Partly cloudy, with a low around 70. East wind around 5 mph.
Tuesday
Mostly sunny, with a high near 92.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72.
Wednesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 90.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72.
Thursday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 89.
Click Map For Forecast
Point Forecast:
Mc Kinney TX
 33.21°N 96.65°W (Elev. 600 ft)
3:39 pm CDT Jul 27, 2017
7pm CDT Jul 27, 2017-6pm CDT Aug 3, 2017
 
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